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Goniasma
Taxonomy
Goniasma was named by Tomlin (1930) [Sepkoski's age data: C Tour P Dora Sepkoski's reference number: 797,1130]. It is the type genus of Goniasminae.
It was reranked as Murchisonia (Goniasma) by Reed (1944); it was reranked as Stegocoelia (Goniasma) by Batten (1995).
It was assigned to Murchisonia by Reed (1944); to Stegocoelia by Batten (1995); to Goniasmidae by Nützel and Bandel (2000); to Archaeogastropoda by Sepkoski (2002); to Orthonemidae by Bandel (2002); to Murchisoniidae by Knight et al. (1960) and Pan and Erwin (2002); to Goniasmatinae by Nützel and Pan (2005) and Nützel and Ketwetsuriya (2016); and to Goniasmatidae by Bouchet et al. (2005), Mazaev (2015) and Ketwetsuriya et al. (2020).
It was reranked as Murchisonia (Goniasma) by Reed (1944); it was reranked as Stegocoelia (Goniasma) by Batten (1995).
It was assigned to Murchisonia by Reed (1944); to Stegocoelia by Batten (1995); to Goniasmidae by Nützel and Bandel (2000); to Archaeogastropoda by Sepkoski (2002); to Orthonemidae by Bandel (2002); to Murchisoniidae by Knight et al. (1960) and Pan and Erwin (2002); to Goniasmatinae by Nützel and Pan (2005) and Nützel and Ketwetsuriya (2016); and to Goniasmatidae by Bouchet et al. (2005), Mazaev (2015) and Ketwetsuriya et al. (2020).
Species
G. dalryensis, G. fischeri, G. fortecarinata, G. fusuiensis, G. gerassimovi, G. gzheliensis, G. helicaformis, G. imparlineata, G. lasallense, G. multilineata, G. nodifera, G. praecosis, G. pygmaea, G. rara, G. subangulata (syn. Murchisonia golowinskii, Murchisonia golowkinskii), G. sulcata, G. terebra, G. tricarinata, G. zarecznyi, Murchisonia (Goniasma) conjugens
Synonymy list
Year | Name and author |
---|---|
1930 | Goniasma Tomlin |
1944 | Murchisonia (Goniasma) Reed p. 335 |
1960 | Goniasma Knight et al. p. 293 |
1995 | Stegocoelia (Goniasma) Batten p. 22 |
2000 | Goniasma Nützel and Bandel |
2002 | Goniasma Bandel p. 96 |
2002 | Goniasma Pan and Erwin p. 19 |
2002 | Goniasma Sepkoski |
2005 | Goniasma Bouchet et al. p. 82 |
2005 | Goniasma Nützel and Pan p. 1176 |
2015 | Goniasma Mazaev p. 936 |
2016 | Goniasma Nützel and Ketwetsuriya p. 504 |
2020 | Goniasma Ketwetsuriya et al. p. 65 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Goniasma Tomlin 1930
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†Goniasma dalryensis Donald 1895
†Goniasma fischeri Stuckenberg 1905
†Goniasma fortecarinata Nützel and Nakazawa 2012
†Goniasma fusuiensis Pan and Erwin 2002
†Goniasma gerassimovi Mazaev 2019
†Goniasma gzheliensis Mazaev 2011
†Goniasma helicaformis Sayre 1930
†Goniasma imparlineata Netchaev 1894
†Goniasma lasallense Worthen 1890
†Goniasma multilineata Netchaev 1894
†Goniasma nodifera Nützel and Nakazawa 2012
†Goniasma praecosis Licharev 1977
†Goniasma pygmaea Mazaev 2011
†Goniasma rara Licharev 1975
†Goniasma subangulata de Verneuil 1845
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Invalid names: Murchisonia golowinskii Yakovlev 1899 [synonym], Murchisonia golowkinskii Yakovlev 1899 [synonym]
†Goniasma sulcata Xi 1974
†Goniasma terebra White 1879
†Goniasma tricarinata Nützel and Ketwetsuriya 2016
†Goniasma zarecznyi Gürich 1903
†Murchisonia (Goniasma) conjugens Waagen 1880
Diagnosis
Reference | Diagnosis | |
---|---|---|
R. L. Batten 1995 | As discussed above, I believe the characters that separate the other subgenera of Stegocoelia apply equally to this subgenus. The generic features of a highspired, turreted shell with a pronounced midwhorl to low whorl periphery with a selenizone located near the periphery apply to this subgenus. The distinctive subgeneric feature which serves to separate S. Goniasma from S. Hypergonia, for example, is the placement of the selenizone just below the periphery. |